CN218065890U - Intermediate frequency furnace barrel of prepareeing material - Google Patents

Abstract

The utility model discloses an intermediate frequency furnace stock bucket. The material preparation barrel comprises a semicircular bottom plate and a barrel body. The shaft sleeve is welded at the semicircular arc top of the bottom plate and is rotationally connected with a rotating shaft welded at the bottom of the barrel body. The bottom plate is controlled by a locking mechanism and can be used for opening or closing the blanking port at the bottom of the barrel body in a rotating mode around the rotating shaft. The bottom plate is provided with a through hole for high-temperature tail gas to pass through, the lower surface of the bottom plate is provided with a rib plate, and lifting lugs are symmetrically welded on the upper part of the barrel body. The utility model discloses utilize the income stove material in the high temperature tail gas bucket, promote the molten steel quality, the locking mechanism switch is convenient, goes into the stove material once all to fall into the intermediate frequency furnace in, has avoided manual labor, has improved the working condition.

Description

Intermediate frequency furnace barrel of prepareeing material

Technical Field

The utility model discloses be applied to the casting trade, relate to the intermediate frequency furnace and smelt, specifically be a stock bucket that is used for intermediate frequency furnace to go into stove material and toasts.

Background

For the casting industry, the intermediate frequency furnace is necessary smelting equipment, and with the technical progress, the concept of steel making is gradually applied to intermediate frequency furnace smelting. In order to improve the smelting quality and efficiency of molten steel and reduce physical labor, the improvement is carried out on the aspects of baking, mechanical furnace feeding and the like. Publication number CN214620679U provides an intermediate frequency furnace charging hopper, including toper hopper, hopper support, wire rope, hopper device that opens and shuts, blanking mouth, hopper support welding is in the outside of toper hopper, and the blanking mouth welds the lower part at toper hopper, and two hopper devices that open and shut assemble the lower part at blanking mouth, and wire rope assembles on the hopper device that opens and shuts. Publication No. CN202734556U discloses a feeding hopper of an intermediate frequency furnace, wherein a blanking port is arranged at the bottom of the feeding hopper, a movable door is arranged below the blanking port, the movable door is movably connected with one side of the blanking port through a hinge, the other side of the movable door is movably connected with a switch board through a hinge, and the switch board is used for opening or clamping the movable door. Above-mentioned loading hopper or batch hopper have improved intermediate frequency furnace feed rate and production efficiency, have avoided artifical reinforced, have alleviateed the manual labor. Only the feeding hopper of CN202734556U needs to be at a certain height from the furnace mouth of the intermediate frequency furnace, otherwise the movable door can not be completely opened, and the distance is high, the impact of the furnace bottom entering furnace materials is large, and the furnace bottom refractory materials are damaged. The hopper of CN214620679U avoids this problem, but its self-locking capability is deficient, and when the conical hopper feeds, its impact will cause the opening and closing device to open automatically, causing material leakage. Publication No. CN211400769U discloses an alloy baking bucket, which is directly placed at a furnace mouth of an intermediate frequency furnace for baking alloy, the alloy baking bucket comprises a left bucket and a right bucket which can be opened and closed, a lifting lug is lifted after the alloy is baked, the alloy can automatically enter the furnace, the manual operation is avoided, the physical labor is reduced, and scalding accidents are avoided. The alloy baking hopper is only suitable for baking blocky alloys and is not suitable for baking charging materials of intermediate frequency furnaces with different shapes.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem that. The intermediate frequency furnace charging bucket is characterized in that a furnace charge is charged by baking high-temperature tail gas of a baking bag, and the furnace charge can be charged quickly after being baked, so that the physical labor is reduced, and the molten steel smelting quality is improved.

The utility model adopts the technical proposal that: the intermediate frequency furnace material preparation barrel comprises a bottom plate and a barrel body. The bottom plate is semicircular, a shaft sleeve is fixedly welded at the top of the semicircular arc, the shaft sleeve is rotatably connected with the rotating shaft, and the rotating shaft is welded and fixed at the outer side of the bottom of the barrel body. The bottom plate can be rotated to open or close the blanking port at the bottom of the barrel body around the rotating shaft, and the bottom plate is controlled by the locking mechanism to lock or open the blanking port at the bottom of the barrel body. A through hole is processed on the bottom plate, and the high-temperature tail gas of the baking bag enters the material preparing barrel through the through hole to be baked into furnace burden.

Further, the locking mechanism comprises a shaft pin and a pin sleeve. The pin sleeves are fixedly welded at two ends of the semicircular bottom plates in the diameter direction, the pin sleeves of the two bottom plates correspond to each other, the shaft pin is inserted into the pin sleeves, the bottom plates are locked and fixed, the shaft pin is pulled out, and the bottom plates can be unscrewed.

Furthermore, the locking mechanism comprises a steel pipe, a rotating rod and a locking block. Two steel pipes are respectively fixed welding in the upper and lower position of staving inner wall, and the bull stick inserts in the steel pipe, and the top installation hand (hold) of this bull stick, the fixed welding rectangle locking piece in bottom. And a matching hole corresponding to the locking block is processed on the diameter end face of the bottom plate. When the locking piece rotates and the length direction of the locking piece is vertical to the diameter end face direction of the bottom plate, the bottom plate is locked, and when the locking piece is parallel to the bottom plate, the bottom plate is opened.

Furthermore, locking mechanism includes steel pipe, bull stick, locking piece, cap head, steel pipe fixed welding is in staving inner wall lower part, the bull stick inserts in the steel pipe, at the fixed welding cap head in the top of bull stick, the fixed welding rectangle locking piece in bottom. And a matching hole corresponding to the locking block is processed on the diameter end face of the bottom plate. The cap head is fixedly welded with a handle, the handle drives the locking block to rotate through the rotating rod, and the handle extends out of a handle hole in the barrel body. The size of the handle hole meets the requirement that the handle rotates not less than 90 degrees.

Furthermore, in order to prolong the service life and prevent the bottom plate from thermal deformation, a rib plate is designed on the lower surface of the bottom plate.

Furthermore, lifting lugs are symmetrically welded on the upper part of the barrel body, so that the preparation barrel can be lifted conveniently.

The utility model has the advantages that: the utility model discloses the utilization is dried by the fire a packet high temperature tail gas and is got into the material preparation bucket by the through-hole, toasts the income stove material in the material preparation bucket, prevents the adverse effect to the molten steel quality such as moisture, greasy dirt. The utility model discloses the locking mechanism switch of bottom plate is convenient, goes into the stove material once all to fall into in the intermediate frequency furnace, has avoided manual labor, has improved working conditions, has improved production efficiency.

Drawings

Fig. 1 is a schematic front view of the structure of embodiment 1;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the usage state of the present invention;

FIG. 4 is a partial structural view of embodiment 2;

FIG. 5 isbase:Sub>A schematic cross-sectional view A-A of FIG. 4;

FIG. 6 is a right side view of FIG. 4;

FIG. 7 is a partial structural view of embodiment 3;

FIG. 8 is a top view of FIG. 6;

reference numerals: 1-bottom plate, 2-rotating shaft, 3-barrel body, 4-lifting lug, 5-shaft sleeve, 6-through hole, 7-rib plate, 8-shaft pin, 9-baking cover, 10-bracket, 11-steel pipe, 12-rotating rod, 13-locking block, 14-handle, 15-matching hole, 16-cap head, 17-handle hole and 18-pin sleeve.

Detailed Description

The following description refers to the state of the invention in which it is used. The following installation, setting and connection refer to fixed connection, and may be welding, or fastening connection, or other fixed connection modes, except for special description.

Example 1.

The structure of this embodiment intermediate frequency furnace stock bucket is seen in attached figure 1 and attached figure 2, and the stock bucket includes bottom plate 1 and staving 3, bottom plate 1 is semi-circular, fixes welding shaft sleeve 5 at semi-circular arc top position, and this shaft sleeve 5 rotates with pivot 2 to be connected, and 2 welded fastening of pivot are in the bottom outside of staving 3. Thus, the bottom plate 1 can freely rotate around the rotating shaft 2, and the two semicircular bottom plates can realize the opening or closing of the blanking port at the bottom of the barrel body 3.

The base plate 1 is locked or unlocked using a locking mechanism, which in this embodiment comprises a pin 8 and a pin sleeve 18. And pin sleeves 18 are fixedly welded at two ends of the semicircular bottom plate 1 in the diameter direction, and the pin sleeves 18 of the two bottom plates correspond to each other. When the two bottom plates close the blanking port of the barrel body 3, the shaft pin 8 is inserted into the pin sleeve 18, so that the bottom plate 1 is locked and fixed. At this time, the charging material of the intermediate frequency furnace can be added into the barrel body 3.

A through hole 6 is processed on the bottom plate 1, and the through hole 6 is used for introducing the high-temperature tail gas of the baking bag into the barrel body 3 and baking the furnace charge. In order to prevent the bottom plate 1 from being deformed by heat, the lower surface of the bottom plate 1 is provided with a rib plate 7, and the rib plate 7 plays a role in reinforcing the bottom plate 1 and preventing the bottom plate from being deformed.

In order to facilitate the hoisting of the material preparation barrel, lifting lugs 4 are symmetrically welded at a feeding port on the upper part of the barrel body 3.

Considering that the barrel body 3 and the bottom plate 1 bear the high temperature of the high-temperature tail gas of the baking bag and are used for multiple times, the bottom plate 1 and the barrel body 3 are made of stainless steel cast steel, the high-temperature oxidation can be prevented, and the thermal fatigue stress deformation can be prevented, so that the service life of the material preparing barrel can be prolonged, and the turnover frequency of the material preparing barrel can be improved.

When the material preparation barrel is used, the two semicircular bottom plates 1 are rotated and closed, the shaft pin 8 is inserted into the pin sleeve 18, the two bottom plates 1 are fixedly connected, and furnace burden is added into the barrel body 3. Then the material preparation barrel is hoisted to the position above the baking cover 9, as shown in the attached figure 3, the bracket 10 is used for introducing the baking high-temperature tail gas into the barrel body 3 through the through hole 6 of the bottom plate, and the furnace charge is baked. After the furnace charge is baked, the material preparation barrel is lifted to the position above the furnace mouth of the intermediate frequency furnace, the shaft pin 8 is detached, the two bottom plates automatically rotate around the rotating shaft 2 to be opened under the action of the gravity of the furnace charge, and the baked furnace charge automatically falls into the intermediate frequency furnace. After entering the furnace, the bottom plate 1 is closed, the pin sleeve 18 is inserted into the pin 8, and the next preparation cycle is carried out.

The distance of this embodiment staving blanking mouth apart from the furnace mouth of intermediate frequency furnace only has the radius of bottom plate, for a circular bottom plate, the distance has reduced half, has alleviateed the impact to the stove bottom refractory material.

Example 2.

This embodiment is an improvement over embodiment 1. In embodiment 1, even if the bottom plate is made of cast steel and the deformation-preventing rib plate 7 is designed, after a long-term thermal cycle is subjected to thermal stress, the bottom plate 1 is slightly deformed, so that the hole diameters of the pin sleeves 18 fitted to the bottom plate 1 no longer correspond to each other, which makes it difficult to insert the pin 8 into the pin sleeves 18, or even if the pin 8 can be inserted, the pin 8 is difficult to be pulled out, and the operation must be performed forcibly, which causes serious deformation of the pin 8 and the pin sleeves 18, and the pin cannot be used continuously.

The bottom plate locking structure of the stock bucket in this embodiment is shown in fig. 4-6, a steel pipe 11 is welded and fixed at the upper and lower positions of the inner wall of the bucket body 3, a rotating rod 12 is inserted into the steel pipe 11, a locking block 13 is fixedly welded at the bottom of the rotating rod 12, and the locking block 13 is rectangular. Correspondingly, on the diameter end face of the semicircular bottom plate 1, a matching hole 15 matched with the locking block 13 is processed. And closing the two bottom plates, rotating the rotating rod 12 to ensure that the length direction of the locking block 13 is vertical to the diameter end face of the bottom plate, and locking the bottom plate by the locking block 13 to avoid unscrewing the bottom plate. When the bottom plate needs to be opened, the rotating rod 12 is rotated, so that the length direction of the locking block 13 is parallel to the diameter end face of the bottom plate, the locking block 13 falls into the matching hole 15, the bottom plate 1 loses the support of the locking block 13, and the locking block can be automatically unscrewed.

To facilitate the rotation of the rotary bar 12, a handle 14 is mounted on the top of the rotary bar 12. The force for locking the base plate 1 by the locking block 13 comes from the hanging force of the handle 14 and the upper edge of the barrel body 3, and the distance between the handle 14 and the upper edge of the barrel body 3 can completely compensate the deformation of the base plate.

Example 3.

This example is an improvement over example 2. In embodiment 2, when the intermediate frequency furnace is charged, the handle 14 is higher in position and inconvenient to operate, the handle 14 and the locking block 13 need to be knocked, and the knocking operation can cause the rotation or the shaking of the material preparation barrel, so that the charging materials cannot fall into the intermediate frequency furnace once and completely.

The structure of the embodiment is shown in fig. 7 and 8, the handle 14 of the locking mechanism is lowered, and a handle hole 17 matched with the handle 14 is processed on the barrel body 3 at a position consistent with the height of the handle 14. A cap head 16 is welded to the top of the rotary rod 12, and the cap head 16 is welded to the handle 14. The handle 14 is rotatable through at least 90 ° in the handle hole 17 to enable the locking and unlocking of the base plate 1. The acting force of the locking block 13 for locking the bottom plate 1 comes from the support of the steel pipe 11 on the cap head 16, so that the height of the handle 14 can be adjusted and reduced to the height convenient for operation, and accurate blanking to the intermediate frequency furnace is facilitated. Only when the furnace charge in the preparation barrel is baked, the handle hole 17 needs to be blocked by refractory clay or refractory cotton, so that the high-temperature tail gas of the baking bag is prevented from escaping from the handle hole 17, and the scalding accident caused by the high temperature of the handle 14 is prevented.

The utility model discloses the utilization is dried by the fire a packet high temperature tail gas and is got into the storage bucket by the through-hole, toasts the income stove material in the storage bucket, especially in winter or rainy season, but the evaporation of drying of snow water or rainwater on the income stove material prevents that moisture from to the adverse effect of molten steel quality, can burn the greasy dirt that falls into on the furnace charge simultaneously, accomplishes the pureness of going into the furnace charge. The utility model discloses the locking mechanism switch of bottom plate is convenient, and the bucket diameter of prepareeing material is less than the intermediate frequency furnace internal diameter, goes into the stove material once all to fall into the intermediate frequency furnace in, has avoided the reinforced manual labor of intermediate frequency furnace, has improved working condition, has practiced thrift the reinforced time. Meanwhile, the fed materials are baked to high temperature, so that the fed materials are favorably melted, the melting electric energy of the fed materials is saved, the melting time of molten steel is shortened, and the production efficiency is improved.

The utility model discloses to different intermediate frequency furnace footpaths, the bucket of prepareeing material of different diameters of design, the bucket of prepareeing material of every size prepares 2-4, accomplishes a small amount of many batches and toasts into the furnace charge, improves production efficiency and production rhythm, can avoid the bucket of prepareeing material to toast for a long time and warp equally. The utility model discloses having been applied to production, according to embodiment 1, 2, 3's rhythm progressively improves, uses well at present, cuts out an intermediate frequency furnace fireman.

Claims (7)

1. The utility model provides an intermediate frequency furnace stock bucket, includes bottom plate (1) and staving (3), its characterized in that: the bottom plate (1) is semicircular, a shaft sleeve (5) is fixedly welded at the arc top of the semicircle, the shaft sleeve (5) is rotatably connected with the rotating shaft (2), and the rotating shaft (2) is fixedly welded at the outer side of the bottom of the barrel body (3); the bottom plate (1) is controlled by a locking mechanism to lock or unlock a blanking port at the bottom of the barrel body (3); the bottom plate (1) is provided with a through hole (6).

2. The intermediate frequency furnace material preparation barrel according to claim 1, characterized in that: the locking mechanism comprises a shaft pin (8) and a pin sleeve (18); the pin sleeves (18) are fixedly welded at two ends of the semicircular bottom plate (1) in the diameter direction, the pin sleeves (18) of the two bottom plates correspond to each other, and the shaft pins (8) are inserted into the pin sleeves (18) to realize locking and fixing of the bottom plate (1).

3. The intermediate frequency furnace material preparation barrel according to claim 1, characterized in that: the locking mechanism comprises a steel pipe (11), a rotating rod (12) and a locking block (13); the two steel pipes (11) are fixedly welded at the upper and lower positions of the inner wall of the barrel body (3), the rotating rod (12) is inserted into the steel pipes (11), the top of the rotating rod (12) is provided with a handle (14), and the bottom of the rotating rod is fixedly welded with a rectangular locking block (13); and a matching hole (15) corresponding to the locking block (13) is processed on the diameter end face of the bottom plate (1).

4. The intermediate frequency furnace charging bucket according to claim 1, characterized in that: the locking mechanism comprises a steel pipe (11), a rotating rod (12), a locking block (13) and a cap head (16), the steel pipe (11) is fixedly welded on the lower part of the inner wall of the barrel body (3), the rotating rod (12) is inserted into the steel pipe (11), the cap head (16) is fixedly welded on the top of the rotating rod (12), and the rectangular locking block (13) is fixedly welded on the bottom of the rotating rod (12); the cap head (16) is fixedly welded with a handle (14), and the handle (14) extends out of a handle hole (17) in the barrel body (3); and a matching hole (15) corresponding to the locking block (13) is processed on the diameter end surface of the bottom plate (1).

5. The intermediate frequency furnace charging bucket according to claim 4, characterized in that: the size of the handle hole (17) is such that the handle (14) can rotate not less than 90 degrees.

6. The intermediate frequency furnace charging bucket according to claim 1, characterized in that: the lower surface of the bottom plate (1) is provided with a rib plate (7).

7. The intermediate frequency furnace material preparation barrel according to claim 1, characterized in that: lifting lugs (4) are symmetrically welded on the upper part of the barrel body (3).

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